{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615107",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7d26f12b7c5b54064092df2a184d0ad3247e269e35a3f2febacfcd1803fff84b",
    "signature": "0x494a2aeb48c500e7c6fea7cd4ed70bd38070acc571a46975c38a7854e8cdd32c4917376d5ab51cdb80f40f04d092112639d379774feae5907e55fb17a5a07b2f1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}